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Finding the Fourth Proportional to 139,228.07, 208,840.28 and 34,047.95

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Solution

The fourth proportional to 139,228.07, 208,840.28 and 34,047.95 is: 51,071.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,228.07 : 208,840.28 = 34,047.95 : x
  2. Step 2: Convert to fraction form
    139,228.07/208,840.28 = 34,047.95/x
  3. Step 3: Cross multiply
    139,228.07x = 208,840.28 × 34,047.95
  4. Step 4: Simplify right side
    139,228.07x = 7,110,582,196.98
  5. Step 5: Solve for x
    x = 7,110,582,196.98/139,228.07
  6. Step 6: Final answer
    x = 51,071.47

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